This phenomenon of selecting traits associated with youth is known as neoteny, and can be seen in many domestic animals.

种择与青年有关现象被称为幼态，在许多家畜中都可以看到。

We want to learn and understand, partly to make sense of the world but also because of something called neoteny.

我们想要学习和理，一方面是为了理世界，另一方面也是因为一种叫做“幼态持续”东西。

This staying young strategy is called neoteny, which literally means holding youth.

种保持年轻态被称为幼态持续，字面意思就是保持年轻。